Home / 147,783.97-221,707.10-47,936.39

Finding the Fourth Proportional to 147,783.97, 221,707.10 and 47,936.39

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Solution

The fourth proportional to 147,783.97, 221,707.10 and 47,936.39 is: 71,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,783.97 : 221,707.10 = 47,936.39 : x
  2. Step 2: Convert to fraction form
    147,783.97/221,707.10 = 47,936.39/x
  3. Step 3: Cross multiply
    147,783.97x = 221,707.10 × 47,936.39
  4. Step 4: Simplify right side
    147,783.97x = 10,627,838,685.48
  5. Step 5: Solve for x
    x = 10,627,838,685.48/147,783.97
  6. Step 6: Final answer
    x = 71,914.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.